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Finding the Fourth Proportional to 36,882, 55,345.68 and 19,364.40

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Solution

The fourth proportional to 36,882, 55,345.68 and 19,364.40 is: 29,058.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,882 : 55,345.68 = 19,364.40 : x
  2. Step 2: Convert to fraction form
    36,882/55,345.68 = 19,364.40/x
  3. Step 3: Cross multiply
    36,882x = 55,345.68 × 19,364.40
  4. Step 4: Simplify right side
    36,882x = 1,071,735,885.79
  5. Step 5: Solve for x
    x = 1,071,735,885.79/36,882
  6. Step 6: Final answer
    x = 29,058.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.